How real projects brief GitHub Copilot, from .github/copilot-instructions.md.
Files you open will collect here, so you can find them again.
Open two or more, and you can remix the rules you like from each into one list. Kept in this browser only.
dotnetCopilot instructionsdotnet/machinelearning/.github/copilot-instructions.md
Guidance for GitHub Copilot when working on ML.NET (dotnet/machinelearning). Use for any task in this repo: code changes, test writing, PR reviews, issue investigation, build troubleshooting, or documentation.
Steady10 mentions in 2 weeks
No other project uses it yet
kasukenCopilot instructionskasuken/vscode-copilot-insights/.github/copilot-instructions.md
VS Code extension project guidelines for GitHub Copilot Insights. Covers project shape, code style, VS Code extension rules, build and test, and repository discipline.
freeCodeCampCopilot instructionsfreeCodeCamp/freeCodeCamp/.github/copilot-instructions.md
file1.md | Updated em dash in seed content | ``` **Good example (actionable feedback only):** ``` Line 46: Test will fail - `innerText` returns rendered `—`, not `—`. ``` --- ## Focus Areas 1. **Test Coverage** - Ensuring adequate testing
No other project uses it yet
affaan-mCopilot instructionsaffaan-m/ECC/.github/copilot-instructions.md
coding** — for features larger than a single function, outline phases and dependencies first. 3. **Test-driven** — write the test before the implementation; target 80%+ coverage. 4. **Review before committing** — check
Steady32 mentions in 2 weeks
2 projects use a version of this
MicrosoftCopilot instructionsmicrosoft/vscode/extensions/copilot/.github/copilot-instructions.md
proposed APIs for chat, language models, and editing - **ESBuild**: Bundling and compilation - **Vitest**: Unit testing framework - **Python**: For notebooks integration and ML evaluation scripts ## Validating changes Choose validation based
No other project uses it yet
MicrosoftCopilot instructionsmicrosoft/vscode/.github/copilot-instructions.md
organized into key architectural layers: ### Root Folders - `src/`: Main TypeScript source code with unit tests in `src/vs/*/test/` folders - `build/`: Build scripts and CI/CD tools - `extensions/`: Built-in extensions that
DietrichGebertCopilot instructionsDietrichGebert/ponytail/.github/copilot-instructions.md
task and the code it touches. List every place your change must reach: callers, tests, fixtures, config, exports. Check what your change could break for users: data it would destroy
Steady11 mentions in 2 weeks
No other project uses it yet
Hugging FaceCopilot instructionshuggingface/transformers/.github/copilot-instructions.md
inherit from base classes in the root `/src/transformers` directory. - `/tests`: This contains the core test classes for the library. These are usually inherited rather than directly run. - `/models`: Tests
1 project uses a version of this
MicrosoftCopilot instructionsmicrosoft/PowerToys/.github/copilot-instructions.md
PowerToys AI contributor guidance
excalidrawCopilot instructionsexcalidraw/excalidraw/.github/copilot-instructions.md
operations - Implement proper error boundaries in React components - Always log errors with contextual information ## Testing - Always attempt to fix #problems - Always offer to run `yarn test:app` in the project
1 project uses a version of this
electronCopilot instructionselectron/electron/.github/copilot-instructions.md
through errors e start # Run built Electron e start --version # Verify Electron launches e test # Run full test suite e debug # Run in debugger (lldb on macOS, gdb on Linux
No other project uses it yet
SupabaseCopilot instructionssupabase/supabase/.github/copilot-instructions.md
every PR - **Typos or spelling** — Automated typo detection runs on every PR - **Missing tests for trivial changes** — Handled by topic-specific test instructions - **Import ordering or grouping** — Handled by linter
Steady6 mentions in 2 weeks
No other project uses it yet
MicrosoftCopilot instructionsmicrosoft/TypeScript/.github/copilot-instructions.md
pipelines. Most compiler development takes place in `tsc/internal`, and most behaviors can be tested via compiler tests. Most development on the codebase is in Go. Standard Go commands and practices
axiosCopilot instructionsaxios/axios/.github/copilot-instructions.md
shape, architecture boundaries, naming, error handling, interceptor order, the request lifecycle, cancellation, common pitfalls, tests, and security-sensitive code. The rules below are a Copilot-facing subset of the load
No other project uses it yet
denolandCopilot instructionsdenoland/deno/.github/copilot-instructions.md
libs/` — Shared Rust crates (core, resolver, npm, node_resolver, serde_v8, etc.) - `tests/specs/` — Integration tests (spec tests) - `tests/unit/` — Unit tests - `tests/testdata/` — Test fixtures and data files ### Key Files to Understand
No other project uses it yet
ant-designCopilot instructionsant-design/ant-design/.github/copilot-instructions.md
size control - Support tree shaking - Browser compatibility: Chrome 80+ - Optimize for minimal re-renders ### Testing Requirements - Write comprehensive tests using Jest and React Testing Library - Target 100% test coverage - Place
No other project uses it yet
OpenCut-appCopilot instructionsOpenCut-app/OpenCut/.github/copilot-instructions.md
exceed a given Cognitive Complexity score. - Don't nest describe() blocks too deeply in test files. - Don't use unnecessary boolean casts. - Don't use unnecessary callbacks with flatMap
No other project uses it yet
home-assistantPipes a download into a shellCopilot instructionshome-assistant/core/.github/copilot-instructions.md
causing existing functionality to break) - [ ] Code quality improvements to existing code or addition of tests ## Additional information - This PR fixes or closes issue: fixes # - This PR is related to issue
No other project uses it yet
rtk-aiCopilot instructionsrtk-ai/rtk/.github/copilot-instructions.md
status rtk git status git log -10 rtk git log -10 cargo test rtk cargo test cargo clippy --all-targets rtk cargo clippy --all-targets grep -r "pattern
Steady13 mentions in 2 weeks
No other project uses it yet
bytedanceCopilot instructionsbytedance/deer-flow/.github/copilot-instructions.md
make install ``` ### B. Backend CI-equivalent validation Run from `backend/`: ```bash make lint make test ``` Validated results: - `make lint`: pass (`ruff check .`) - `make test`: pass (`277 passed, 15 warnings
Steady8 mentions in 2 weeks
No other project uses it yet
Repository-wide instructions for GitHub Copilot, kept in .github/copilot-instructions.md.
How to build and test, the project's structure, and the conventions Copilot should follow in suggestions and reviews.
No. Copilot's coding agent also reads AGENTS.md, so many projects keep the shared rules there.
Open a file to see its discussion. Reports from people and their agents are coming.
